Martin v



-TO ALL WHOM IT MAY CONCERN: i

Be it known that I,MRTIN V. BRYANT, of North Plains, in' the county of onia, and Stateof li/Iichignn,j

uiten were @met ffief.

Letters .Patent No. 80,449, dated July 28, 1868.

IMPROVEMENT' IN SPRING-PUNCH.

fitte dgehnls referat tu in than tettersvatmt-mh making gtrtnt the 'suma have invented certain new and useful Improvements in Punches for punching ironor other metals; and I o drawings, and to the letters of referenceniarked thereon, undv being part of this specification.

The nature of my invention consists in constructing a light, portable punch, designed to be used by blacksmths in punching bar-iron, and, when in use, is secured to the anvil by' a lug on the bottom, entering the square hole in thefaee of the same. v-. l A

To accomplish this purposeI construct a frame, A, of' the shape shown in the drawings, somewhat resem-V bling the letter U, with one of its legs bifurcated, as at B B, provided 'with openings, through which moves the punchC. is a. pin, passing transversely through the punch C. E is a spiral spring, embracing lthe punch, and, operating against 'the pin D, raises the punch clear of the' iron, after the same is punch-edf. Fis a die,

declare the following to be a true and accurate description thereof, reference being had to the accompanying".

secured by a proper dovetail in the lower part of the, frame, its hole being directly 'over the round hole in lower part of the frame'. G is a square lug, on the under side of the frame A., and fitting in the square holeinthe top of the anvil, and securing theapparatus thereon. The punching of the metal is eiecterlby blows on the head or top of the punch.

What I claim as my invention, and desire to secure' by Letters Patent, is-'- I The square lug G, when used in connection' with theA frame A, bifurcations B B, punch C, pin D, spring E, and die F, substantially as and for the purpose specified. ""F I l MARTlN V. BRYANT.

Witnesses:

H. M. BROWN, HIRAM BROWN. 

